Komatsu HD785-5, Operation & Maintenance Manual

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MAINTENANCE
SERVICE PROCEDURE
EVERY 250 HOURS SERVICE
Maintenance for every 100 hours should be carried out at the same time.
CHECK OIL LEVEL IN DIFFERENTIAL CASE, ADD OIL
WARNING
The parts and oil are at high temperature immediately after the engine is stopped, and may cause serious burns. Wait for the
temperature to go down before starting the operation.
When removing plug, oil may spout out. So turn the plug gradually to release the internal pressure, then carefully remove it.
1. Remove plug (G) and check that the oil level is near the bottom
of the plug hole.
2. If the oil level is too low, add oil through the plug hole until the
oil overflows.
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL
WARNING
The parts and oil are at high temperature immediately after the engine is stopped, and may cause serious burns. Wait for the
temperature to go down before starting the operation.
If there is still pressure remaining inside the case, the oil or plug may fly out.
Loosen the plug slowly to release the pressure.
1. Stop the machine so that casting line (1) is horizontal and drain
plug (P) is immediately at the bottom.
2. Remove plug (G) and check that the oil level is near the bottom
of the plug hole.
3. If the oil level is too low, add oil through the plug hole until the
oil overflows.
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